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Finding the Fourth Proportional to 33,905.70, 50,858.55 and 9,281.70

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Solution

The fourth proportional to 33,905.70, 50,858.55 and 9,281.70 is: 13,922.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,905.70 : 50,858.55 = 9,281.70 : x
  2. Step 2: Convert to fraction form
    33,905.70/50,858.55 = 9,281.70/x
  3. Step 3: Cross multiply
    33,905.70x = 50,858.55 × 9,281.70
  4. Step 4: Simplify right side
    33,905.70x = 472,053,803.54
  5. Step 5: Solve for x
    x = 472,053,803.54/33,905.70
  6. Step 6: Final answer
    x = 13,922.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.